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Installation & User Guide
Electrical wiring diagram with 4-wire temperature sensors
q1 - pulse input signal from flow meter in supply pipe
q2 - pulse input signal from flow meter in return pipe
q3, q4 - pulse inputs from water meters
T1 - temperature sensor in supply pipe
T2 - temperature sensor in return pipe
Note: Only required for selected calculator type should be connected
Calculator
Terminal
Marking
9
+U
11
-q1
10
+q1
11
-q2
52
+q2
11
-q3
53
+q3
11
-q4
54
+q4
5
T1
1
T1
2
T1
6
T1
50
7
T2
3
T2
4
T2
8
T2
50
VUIGN102
Infocal 9
Description
+3,6V power supply (only if mains supply)
Ground for 1-st flow sensor (-)
Pulse input signal from flow meter in supply pipe
Ground for flow sensor
Pulse input signal from flow meter in return pipe
Ground for 3-rd flow sensor (-)
Pulse input signal from 3-rd flow sensor (+)
Ground for 4-th flow sensor (-)
Pulse input signal from 4-th flow sensor (+)
Current terminal for 1-st temperature sensor "+I"
Voltage terminal for 1-st temperature sensor "+U"
Voltage terminal for 1-st temperature sensor "-U"
Current terminal for 1-st temperature sensor "-I"
Shield terminal (for 1-st temperature sensor etc.)
Current terminal for 2-nd temperature sensor "+I"
Voltage terminal for 2-nd temperature sensor "+U"
Voltage terminal for 2-nd temperature sensor "-U"
Current terminal for 2-nd temperature sensor "-I"
Shield terminal (for 2-nd temperature sensor etc. )
© Danfoss | Energy Meters | 2017.03 | 7
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